code: def setup_data(self, path):
      print("loading: " + path)
  
      tree = ET.parse(path)
      root = tree.getroot()
  
      for child in root:
          asks_for = child.attrib["asks-for"]
          answer = child.attrib["most-plausible-alternative"]
  
          premise = child[0].text
          alternative_one = child[1].text
          alternative_two = child[2].text
  
          if asks_for == "cause":
              premise += " " + COPA_CAUSE_SUFFIX
          else:
              premise += " " + COPA_RESULT_SUFFIX
  
          if answer == "1":
              answer = [alternative_one]
          else:
              answer = [alternative_two]
          answer_options = [alternative_one, alternative_two]
  
          yield (premise, answer, None, answer_options), True
  
file_path: ParlAI/parlai/tasks/copa/agents.py
imports: from parlai.core.teachers import DialogTeacher
  from .build import build
  import xml.etree.ElementTree
  import os
  import copy
label_desc: Use image node_id 2 for calling the DefaultTeacher obj's underlying member method code with example usage: obj.setup_data(path) without return types